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        <h3 id="基础命令"><a href="#基础命令" class="headerlink" title="基础命令"></a>基础命令</h3><p>基本的文件和安装命令</p>
<figure class="highlight shell"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br></pre></td><td class="code"><pre><span class="line">ls	列出当前目录下文件</span><br><span class="line">ls -alt 所有的列表倒叙</span><br><span class="line"></span><br><span class="line">cd	进入文件夹</span><br><span class="line">.当前目录 ..上级目录</span><br><span class="line"></span><br><span class="line">pwd	查看当前路径</span><br><span class="line"></span><br><span class="line">mkdir	创建目录</span><br><span class="line"></span><br><span class="line">cp	拷贝</span><br><span class="line">cp 文件地址 目标地址</span><br><span class="line"></span><br><span class="line">rm	删除</span><br><span class="line">rm -rf 目录</span><br><span class="line"></span><br><span class="line">sudo	root权限命令</span><br><span class="line"></span><br><span class="line">apt	安装包的操作</span><br><span class="line">apt search xxx	查找</span><br><span class="line">apt install xxx 安装</span><br></pre></td></tr></table></figure>

<h3 id="vim基础"><a href="#vim基础" class="headerlink" title="vim基础"></a>vim基础</h3><p>vim是linux下的文本编辑器非常强大</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br></pre></td><td class="code"><pre><span class="line">:w 保存</span><br><span class="line">:q 退出</span><br><span class="line">i  进入编辑模式</span><br><span class="line">h  左移</span><br><span class="line">j  下移</span><br><span class="line">k  上移</span><br><span class="line">l  右移</span><br></pre></td></tr></table></figure>

<h3 id="环境变量配置"><a href="#环境变量配置" class="headerlink" title="环境变量配置"></a>环境变量配置</h3><p>配置开发环境</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br></pre></td><td class="code"><pre><span class="line">1.PATH</span><br><span class="line">~/.bashrc path配置命令的文件地址,用:号分隔</span><br><span class="line">vim ~/.bashrc 添加环境变量</span><br><span class="line">souce ~/.bashrc	添加后更新</span><br><span class="line"><span class="built_in">which</span> xx 命令位置</span><br><span class="line"></span><br><span class="line">2.PKG_CONFIG_PATH(pkg_config)</span><br><span class="line">帮助找库的文件和头文件</span><br><span class="line">在PKG_CONFIG_PATH中找命令</span><br><span class="line"></span><br><span class="line">3.实例</span><br><span class="line"><span class="built_in">export</span> PATH=<span class="variable">$PATH</span>:/usr/<span class="built_in">local</span>/ffmpeg/bin</span><br><span class="line"><span class="built_in">export</span> PKG_CONFIG_PATH=<span class="string">""</span></span><br><span class="line"><span class="built_in">export</span> PKG_CONFIG_PATH=<span class="variable">$PKG_CONFIG_PATH</span>:/usr/<span class="built_in">local</span>/ffmpeg/lib/pkgconfig:/usr/lib/pkgconfig:/usr/<span class="built_in">local</span>/pkgconfig/</span><br></pre></td></tr></table></figure>
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